sbHashKeys.h
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26 
27 #ifndef __SBHASHKEYS_H__
28 #define __SBHASHKEYS_H__
29 
30 #include <pldhash.h>
31 
32 class sbUint64HashKey : public PLDHashEntryHdr
33 {
34 public:
35  typedef const PRUint64& KeyType;
36  typedef const PRUint64* KeyTypePointer;
37 
38  sbUint64HashKey(KeyTypePointer aKey) : mValue(*aKey) { }
39  sbUint64HashKey(const sbUint64HashKey& toCopy) : mValue(toCopy.mValue) { }
41 
42  KeyType GetKey() const { return mValue; }
43  PRBool KeyEquals(KeyTypePointer aKey) const { return *aKey == mValue; }
44 
45  static KeyTypePointer KeyToPointer(KeyType aKey) { return &aKey; }
46  static PLDHashNumber HashKey(KeyTypePointer aKey) {
47  // Truncate 64 bit hash key to 32 bits for hash number
48  return (PLDHashNumber)*aKey;
49  }
50  enum { ALLOW_MEMMOVE = PR_TRUE };
51 
52 private:
53  const PRUint64 mValue;
54 };
55 
56 
57 #endif /* __SBHASHKEYS_H__ */
58 
static KeyTypePointer KeyToPointer(KeyType aKey)
Definition: sbHashKeys.h:45
const PRUint64 * KeyTypePointer
Definition: sbHashKeys.h:36
sbUint64HashKey(const sbUint64HashKey &toCopy)
Definition: sbHashKeys.h:39
const PRUint64 & KeyType
Definition: sbHashKeys.h:35
PRBool KeyEquals(KeyTypePointer aKey) const
Definition: sbHashKeys.h:43
KeyType GetKey() const
Definition: sbHashKeys.h:42
static PLDHashNumber HashKey(KeyTypePointer aKey)
Definition: sbHashKeys.h:46
sbUint64HashKey(KeyTypePointer aKey)
Definition: sbHashKeys.h:38